CVE-2026-20533

{"id": "CVE-2026-20533", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-20533", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-10-05T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "affected": [{"source": "security@mediatek.com", "affectedData": [{"vendor": "MediaTek, Inc.", "product": "MediaTek chipset", "versions": [{"status": "affected", "version": "MT6739"}, {"status": "affected", "version": "MT6761"}, {"status": "affected", "version": "MT6765"}, {"status": "affected", "version": "MT6768"}, {"status": "affected", "version": "MT6781"}, {"status": "affected", "version": "MT6789"}, {"status": "affected", "version": "MT6833"}, {"status": "affected", "version": "MT6835"}, {"status": "affected", "version": "MT6853"}, {"status": "affected", "version": "MT6855"}, {"status": "affected", "version": "MT6858"}, {"status": "affected", "version": "MT6877"}, {"status": "affected", "version": "MT6878"}, {"status": "affected", "version": "MT6879"}, {"status": "affected", "version": "MT6883"}, {"status": "affected", "version": "MT6885"}, {"status": "affected", "version": "MT6886"}, {"status": "affected", "version": "MT6889"}, {"status": "affected", "version": "MT6893"}, {"status": "affected", "version": "MT6895"}, {"status": "affected", "version": "MT6897"}, {"status": "affected", "version": "MT6899"}, {"status": "affected", "version": "MT6983"}, {"status": "affected", "version": "MT6985"}, {"status": "affected", "version": "MT6989"}, {"status": "affected", "version": "MT6991"}, {"status": "affected", "version": "MT6993"}, {"status": "affected", "version": "MT8171"}, {"status": "affected", "version": "MT8188"}, {"status": "affected", "version": "MT8668"}, {"status": "affected", "version": "MT8676"}, {"status": "affected", "version": "MT8678"}, {"status": "affected", "version": "MT8793"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-05T02:16:52.150", "references": [{"url": "https://www.mediatek.com/product-security-bulletin/October-2026", "tags": ["Vendor Advisory"], "source": "security@mediatek.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@mediatek.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "In display, there is a possible escalation of privilege due to an integer overflow. This could lead to local escalation of privilege if a malicious actor has already obtained the System privilege. User interaction is not needed for exploitation. Patch ID: ALPS11296678; Issue ID: MSV-9167."}], "lastModified": "2026-10-09T14:37:22.450", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6739_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "14B94ECB-CAD4-499C-8959-1713FC5CE423"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6739:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7FA8A390-9F52-4CF3-9B45-936CE3E2B828"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6761_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2493FB05-7723-4CDD-AC2A-8B21C4285436"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6761:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "F726F486-A86F-4215-AD93-7A07A071844A"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6765_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "43327018-578C-4997-81B9-6DBD3679E40C"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6765:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "43E779F6-F0A0-4153-9A1D-B715C3A2F80E"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6768_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "16EF9082-FC9B-4790-A79D-AA62C62E4B88"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6768:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "06CD97E1-8A76-48B4-9780-9698EF5A960F"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6781_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "23F92B7C-A5A3-4F32-B4BF-CBE706D79702"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6781:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C4EEE021-6B2A-47A0-AC6B-55525A40D718"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6789_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "524AB96D-4C15-47A6-B276-6B873796E8F3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6789:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "8B9B0D82-82C1-4A77-A016-329B99C45F49"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6833_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BA0F3AD5-4D2B-4480-AA79-44EFD4E29348"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6833:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "9814939B-F05E-4870-90C0-7C0F6BAAEB39"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6835_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "00B1D726-8183-4667-B46D-18EF110EA9D9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6835:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "19A63103-C708-48EC-B44D-5E465A6B79C5"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6853_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EAA5C86-701B-4116-8A63-EB89B3DC2B93"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6853:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "366F1912-756B-443E-9962-224937DD7DFB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6855_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E997ED4F-33F3-4508-9B12-99DBA0D845B2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6855:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "89AFEE24-7AAD-4EDB-8C3E-EDBA3240730A"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6858_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3BECB082-4B77-4ECC-968B-B00E48C06240"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6858:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C61AD730-66FE-4605-A89B-3B8D6526D612"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6877_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "07F67D59-75F0-4056-BCCE-F7888912CAB3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6877:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "7CA9352F-E9BD-4656-9B7C-4AFEE2C78E58"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6878_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "207954E6-D413-4762-9F4A-3A147CFB4FE2"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6878:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "855A8046-34ED-4891-ACE5-76AB10AC8D53"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6879_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "502901D0-8B2D-449A-A2D6-E8914D5D4239"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6879:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "704BE5CE-AE08-4432-A8B0-4C8BD62148AD"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6883_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "22321E12-7EB8-46B7-ABB6-23ACC1436EFD"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6883:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "15E2EC3F-9FB3-488B-B1C1-2793A416C755"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6885_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8A6E25F4-C394-4830-8EC3-2AF0563F5032"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6885:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "DD64413C-C774-4C4F-9551-89E1AA9469EE"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6886_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E10F9AFE-9F99-4B91-BF26-49E035FC8079"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6886:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AF3E2B84-DAFE-4E11-B23B-026F719475F5"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6889_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD17D854-2394-483D-B8E2-FDA1BC837DAD"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6889:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "3B787DC3-8E5A-4968-B20B-37B6257FAAE2"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6893_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0A272644-3BC4-438B-BAC0-DDF164BF4097"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6893:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "213B5C7F-D965-4312-9CDF-4F06FA77D401"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6895_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "110CBA4A-26A6-4E4E-A0C6-35FA02A6D4AF"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6895:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "E0CA45C9-7BFE-4C93-B2AF-B86501F763AB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6897_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A04EA650-730F-4E5D-A0E0-90570CACDD5E"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6897:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2A7D8055-F4B6-41EE-A078-11D56285AB66"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6899_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BEBA484A-EC07-4D3D-80CD-BDE9E7807F71"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6899:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "C6E9F80F-9AC9-41E0-BB14-9DB6F14B62CD"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6983_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "967E956F-07B4-4957-9C84-DDB5C38E5E69"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6983:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EB6B9A26-F8A1-4322-AA4E-CDF8F7D99000"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6985_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CA30A145-D98E-4DA7-84C7-377402951190"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6985:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EA72CCD1-DEA2-48EB-8781-04CFDD41AAEE"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6989_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E495B8EB-C9B5-4F32-AEE2-D2C41C0B292B"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6989:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "AD7DE6B2-66D9-4A3E-B15F-D56505559255"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6991_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D9DD2119-39E8-4A9C-8E2A-8FB7F92A1001"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6991:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "CBBB30DF-E963-4940-B742-F6801F68C3FC"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt6993_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FAEB2240-FF37-4CBE-BBEF-8A8281153646"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt6993:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "57E92BE0-5E65-4770-8E1A-0E5D07A38164"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8171_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C81DAF70-74E7-4EBC-AE1A-63DDBAE4B6C5"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8171:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "6A91AE7A-DADC-47A0-9F82-6E872F57D915"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8188_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "30E10DDB-6D3D-42CB-9DB9-ED25E6163D3D"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8188:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "BA3D4A45-38EE-4125-AE67-89D1C707F95A"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8668_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3EAACB56-716C-4E17-AB78-F5E68B75B791"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8668:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2589C222-3D62-4BDB-98F2-5F1E38600D8D"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8676_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "645D7C99-A0A0-4FB0-97AC-3DA5161A44D9"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8676:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "EE302F6F-170E-4350-A8F4-65BE0C50CB78"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8678_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CFEC7A7B-6948-4B8A-BFA1-9F9D07043605"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8678:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "152A5F3D-8004-4649-BDB1-E6F0798AF1CB"}], "operator": "OR"}], "operator": "AND"}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:mediatek:mt8793_firmware:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "42C2F52D-C49C-4AFF-B6FA-FFA82EF96142"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:mediatek:mt8793:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "2FBD3487-F8CE-406C-8BD7-DD57FF8CD60B"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@mediatek.com"}